package com.sky.controller.admin;

import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Dish;
import com.sky.result.PageResult;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.data.redis.core.ValueOperations;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Set;

@RestController
@RequestMapping("/admin/dish")
@Api(tags = "菜品相关接口")
@Slf4j
public class DishController {
    @Autowired
    private DishService dishService;
    @Autowired
    private RedisTemplate redisTemplate;

    @PostMapping
    @ApiOperation("新增菜品")
    public Result insertDish(@RequestBody DishDTO dishDTO){
        dishService.insertDish(dishDTO);
        String key = "dish_" + dishDTO.getCategoryId();
        this.cleanCache(key);
        return Result.success();
    }

    @GetMapping("/page")
    @ApiOperation("菜品分页查询")
    public Result<PageResult> selectPage(DishPageQueryDTO dishPageQueryDTO){
        log.info("菜品分页查询{}",dishPageQueryDTO);
      PageResult pageResult =  dishService.selectPage(dishPageQueryDTO);
        return Result.success(pageResult);
    }

    @DeleteMapping
    @ApiOperation("批量删除菜品。")
    public Result deleteByIds(@RequestParam List<Long> ids){
        dishService.deleteByIds(ids);
        cleanCache("dish_*");
        return Result.success();
    }

    @GetMapping("/{id}")
    @ApiOperation("根据ID查询菜品相关信息")
    public Result<DishVO> selectDishById(@PathVariable Long id){
        log.info("ID查询菜品");
       DishVO dishVO = dishService.selectDishAndFlavorsByDishId(id);

        return Result.success(dishVO);
    }
    /**
     * 修改菜品
     *
     * @param dishDTO
     * @return
     */
    @PutMapping
    @ApiOperation("修改菜品")
    public Result updateDish(@RequestBody DishDTO dishDTO) {
        log.info("修改菜品：{}", dishDTO);
        dishService.updateDishAndFlavor(dishDTO);
        //将所有的菜品缓存数据清理掉，所有以dish_开头的key
        cleanCache("dish_*");
        return Result.success();
    }
    /**
     * 菜品起售停售
     * @param status
     * @param id
     * @return
     */
    @PostMapping("/status/{status}")
    @ApiOperation("菜品起售停售")
    public Result<String> updateDishStateById(@PathVariable Integer status, Long id){
        dishService.updateDishStateById(status,id);
        //将所有的菜品缓存数据清理掉，所有以dish_开头的key
        cleanCache("dish_*");
        return Result.success();
    }

    /**
     * 根据分类id查询菜品
     * @param categoryId
     * @return
     */
    @GetMapping("/list")
    @ApiOperation("根据分类id查询菜品")
    public Result<List<Dish>> list(Long categoryId){
        List<Dish> list = dishService.list(categoryId);
        return Result.success(list);
    }


    private void cleanCache(String pattern){
        Set keys = redisTemplate.keys(pattern);
        redisTemplate.delete(keys);

    }


}
